four justices in their mid to late 70s. there is the potential for either candidate, president obama or mitt romney, to change the direction of the depending on who may retire in the next four years. there's no indication that anyone of them wants to retire. but you never know. >> brown: i wonder if that keeps everybody watching these cases even more carefully against that back drop. >> it always does. it will be very interesting the next four years. >> brown: marcia coyle of the national law journal, welcome back. thanks as always. >> my pleasure, jeff. woodruff: still to come on the newshour, our >> woodruff: still to come on the newshour, our campaign update with susan page and stuart rothenberg on the big debate happening wednesday; medicaid, as both sides see it; the middle class and the american dream; and documenting the worldwide oppression of women, with filmakers nicholas kristof and sheryl wudunn. but first, the other news of the day, here's kwame holman. >> holman: a suicide bomber in afghanistan killed at least 14 people today, including three american troops.